diff --git a/tests/validators/test_arguments.py b/tests/validators/test_arguments.py
index 5a147cc40..d5671c262 100644
--- a/tests/validators/test_arguments.py
+++ b/tests/validators/test_arguments.py
@@ -47,7 +47,7 @@ def test_args_kwargs():
         [
             ArgsKwargs((1, 'a', True), {'x': 1}),
             Err(
-                '',
+                '1 validation error for arguments',
                 [
                     {
                         'type': 'unexpected_keyword_argument',
@@ -61,7 +61,7 @@ def test_args_kwargs():
         [
             [1],
             Err(
-                '',
+                '2 validation errors for arguments',
                 [
                     {
                         'type': 'missing_positional_only_argument',
@@ -81,7 +81,7 @@ def test_args_kwargs():
         [
             [1, 'a', True, 4],
             Err(
-                '',
+                '1 validation error for arguments',
                 [
                     {
                         'type': 'unexpected_positional_argument',
@@ -95,7 +95,7 @@ def test_args_kwargs():
         [
             [1, 'a', True, 4, 5],
             Err(
-                '',
+                '2 validation errors for arguments',
                 [
                     {
                         'type': 'unexpected_positional_argument',
@@ -115,7 +115,7 @@ def test_args_kwargs():
         [
             ('x', 'a', 'wrong'),
             Err(
-                '',
+                '2 validation errors for arguments',
                 [
                     {
                         'type': 'int_parsing',
@@ -221,7 +221,7 @@ def test_positional_args(py_and_json: PyAndJson, input_value, expected):
         [
             ArgsKwargs((), {'a': 'x', 'b': 'a', 'c': 'wrong'}),
             Err(
-                '',
+                '2 validation errors for arguments',
                 [
                     {
                         'type': 'int_parsing',
@@ -241,7 +241,7 @@ def test_positional_args(py_and_json: PyAndJson, input_value, expected):
         [
             ArgsKwargs(()),
             Err(
-                '',
+                '3 validation errors for arguments',
                 [
                     {
                         'type': 'missing_keyword_only_argument',
diff --git a/uv.lock b/uv.lock
index dc8753063..5f665ed23 100644
--- a/uv.lock
+++ b/uv.lock
@@ -777,7 +777,7 @@ wheels = [
 
 [[package]]
 name = "pytest"
-version = "8.3.4"
+version = "8.4.1"
 source = { registry = "https://pypi.org/simple" }
 dependencies = [
     { name = "colorama", marker = "sys_platform == 'win32'" },
@@ -785,11 +785,12 @@ dependencies = [
     { name = "iniconfig" },
     { name = "packaging" },
     { name = "pluggy" },
+    { name = "pygments" },
     { name = "tomli", marker = "python_full_version < '3.11'" },
 ]
-sdist = { url = "https://files.pythonhosted.org/packages/05/35/30e0d83068951d90a01852cb1cef56e5d8a09d20c7f511634cc2f7e0372a/pytest-8.3.4.tar.gz", hash = "sha256:965370d062bce11e73868e0335abac31b4d3de0e82f4007408d242b4f8610761", size = 1445919, upload-time = "2024-12-01T12:54:25.98Z" }
+sdist = { url = "https://files.pythonhosted.org/packages/08/ba/45911d754e8eba3d5a841a5ce61a65a685ff1798421ac054f85aa8747dfb/pytest-8.4.1.tar.gz", hash = "sha256:7c67fd69174877359ed9371ec3af8a3d2b04741818c51e5e99cc1742251fa93c", size = 1517714, upload-time = "2025-06-18T05:48:06.109Z" }
 wheels = [
-    { url = "https://files.pythonhosted.org/packages/11/92/76a1c94d3afee238333bc0a42b82935dd8f9cf8ce9e336ff87ee14d9e1cf/pytest-8.3.4-py3-none-any.whl", hash = "sha256:50e16d954148559c9a74109af1eaf0c945ba2d8f30f0a3d3335edde19788b6f6", size = 343083, upload-time = "2024-12-01T12:54:19.735Z" },
+    { url = "https://files.pythonhosted.org/packages/29/16/c8a903f4c4dffe7a12843191437d7cd8e32751d5de349d45d3fe69544e87/pytest-8.4.1-py3-none-any.whl", hash = "sha256:539c70ba6fcead8e78eebbf1115e8b589e7565830d7d006a8723f19ac8a0afb7", size = 365474, upload-time = "2025-06-18T05:48:03.955Z" },
 ]
 
 [[package]]